Rat 4-Hydroxynonenal (HNE) ELISA Kit

Alternative Names:  4-HNE, HNE, 4-hydroxy-2-nonenal, 4-Hydroxynonenal
Catalogue No. 3738ELK
Size 96T
Reactivity Rat
Range 15.63-1000 pg/mL
Sensitivity 7.54 pg/mL
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Description

Alternative Names:  4-HNE, HNE, 4-hydroxy-2-nonenal, 4-Hydroxynonenal
Catalogue No. 3738ELK
Size 96T
Reactivity Rat
Range 15.63-1000 pg/mL
Sensitivity 7.54 pg/mL
Assay Type Competitive Inhibition
Sample Type Serum, plasma, tissue homogenates
Assay Length 2h
Research Area Signal transduction; Metabolic pathway; Infection immunity; Hormone metabolism; Dermatology;
Test principle This assay employs the competitive inhibition enzyme immunoassay technique. The microtiter plate provided in this kit has been pre-coated with HNE protein. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to HNE. Next,Avidin conjugated to Horseradish Peroxidase (HRP) is added to each microplate well and incubated. After TMB substrate solution is added. The enzyme-substrate reaction is terminated by the addition of sulphuric acid solution and the color change is measured spectrophotometrically at a wavelength of 450nm ± 10nm. The concentration of HNE in the samples is then determined by comparing the OD of the samples to the standard curve.
Standard Curve  

CONCENTRATION (NG/ML) OD CORRECTED OD
1000.00 0.182
500.00 0.275
250.00 0.557
125.00 0.897
62.50 1.253
31.25 1.587
15.63 1.863
0.00 2.475
Precision Intra-assay Precision (Precision within an assay):CV%<8% 

Three samples of known concentration were tested twenty times on one plate to assess intra-assay precision.

Inter-assay Precision (Precision between assays):CV%<10%

Three samples of known concentration were tested in forty separate assays to assess inter-assay precision.

Recovery Matrices listed below were spiked with certain level of recombinant 4-HNE and the recovery rates were calculated by comparing the measured value to the expected amount of 4-HNE in samples. 

MATRIX RECOVERY RANGE AVERAGE
serum(n=5) 82-95% 88%
EDTA plasma(n=5) 95-107% 101%
Heparin plasma(n=5) 87-99% 86%
Linearity The linearity of the kit was assayed by testing samples spiked with appropriate concentration of 4-HNE and their serial dilutions. The results were demonstrated by the percentage of calculated concentration to the expected. 

MATRIX 1:2 1:4 1:8 1:16
serum(n=5) 82-93% 95-104% 87-96% 85-97%
EDTA plasma(n=5) 86-98% 91-103% 85-97% 87-96%
Heparin plasma(n=5) 83-94% 83-96% 92-102% 82-93%
Note For Research Use Only

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